How to create a drift of 1m/s , 3.6 km/h?
Wave movement is 3 to 4 sec up and +- 3sec back. At the reef crest one moves smootly up and down, from left to right and back , At a dept of 3m to 5m?
Wave movement is 3 to 4 sec up and +- 3sec back. At the reef crest one moves smootly up and down, from left to right and back , At a dept of 3m to 5m?